OJJDP is a component of the U.S. Justice Department’s Office of Justice Programs. This annual report encompasses OJJDP’s activities in fulfilling the mandates of the following federal legislation: 1) the Juvenile Justice and Delinquency Prevention’s (JJDP) Act of 1974, as amended, Public Law 93-415, section 207 [42 U.S.C. 5617; 2) the Missing Children Program under the JJDP Act of 1974, as amended, Public Law 93-415, section 404 (a)(5) [42 U.S.C. 5773(a)(5); 3) the Juvenile Accountability Block Grants Program under the Omnibus Crime Control and Safe Streets Act of 1968, Public Law 90-351, section 1808(b) [42 U.S.C. 3796ee-8(b)]; and 4) Title V Incentive Grants for Local Delinquency Prevention Programs under the JJDP Act of 1974, as amended, Public Law 93-415, section 603(4) [42 U.S.C. 5782(4)]. Overall, in fiscal year 2016, OJJDP supported the efforts of states, communities, and tribal governments to prevent and reduce delinquency, improve their juvenile justice systems, and protect children from violence and abuse. OJJDP awarded approximately $283 million in formula and discretionary grants to support juvenile justice and child protection programs, research, training and technical assistance, and information dissemination. These awards supported a broad range of activities, including efforts to address youth gang violence, support juvenile mentoring, protect children from commercial sexual exploitation and trafficking, and improve juvenile drug courts. Other activities addressed indigent defense, efforts to keep youth from entering the juvenile justice system, and reentry programs to help confined youth return to their communities to assume responsible roles.